<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div  style="width: 100%;height: 30px;margin: 0 auto;position: relative">
    <button  type="button" id="submit" style="width:80px;height: 30px;position: relative;left: 50%;top:50%;transform:translate(-50%,-50%)">学生信息</button>
</div>
<script>
    $("#submit").click(function(){
        $.ajax({
            type: "get",
            url: "",
            data: {},
            contentType: 'application/json',
            dataType: 'json',
            success: function () {

            }
        });
    });
</script>

</body>
</html>